This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Two identical blocks of iron are placed in contact, one at 10C and the other at 20C. If the cooler ... (Read 2028 times)

panfilo

  • Hero Member
  • *****
  • Posts: 572
on: Jul 29, 2018
Two identical blocks of iron are placed in contact, one at 10C and the other at 20C. If the cooler block cools to 5C and the warmer block warms to 25C, this would violate the
 
  A) first law of thermodynamics.
  B) second law of thermodynamics.
  C) third law of thermodynamics.
  D) none of the above

Question 2

The main purpose of the condenser in the steam cycle of a steam turbine is to
 
  A) cool the steam.
  B) condense the steam.
  C) lower pressure on the back side of the turbine blades.
  D) maintain high efficiency.
  E) change mechanical energy to electricity.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

softEldritch

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: C


panfilo

  • Hero Member
  • *****
  • Posts: 572
Reply #2 on: Jul 29, 2018
Thank you!


softEldritch

  • Sr. Member
  • ****
  • Posts: 334
Reply #3 on: Jul 29, 2018
Always glad to help...


« previous next »
 

Did you know?

Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

By reflecting most visible light, snow creates a much cooler microclimate than nearby bare ground. By reflecting most visible light, snow creates a much cooler microclimate than nearby bare ground.
Iron Oxide Iron Oxide
Two representations of heme (derived from PDB ID 1CCR). The iron atom Two representations of heme (derived from PDB ID 1CCR). The iron atom
In Charles Russell’s Trail of the Iron Horse (1910) steel rails stretch nearly to the sun while wisp In Charles Russell’s Trail of the Iron Horse (1910) steel rails stretch nearly to the sun while wisp
In a project on job discrimination, Pager prepared identical résumés for the teams, but with one ... In a project on job discrimination, Pager prepared identical résumés for the teams, but with one ...
Plant foods such as grains and vegetables are the main sources of nonheme iron in your diet Plant foods such as grains and vegetables are the main sources of nonheme iron in your diet
Video: hGH (protein synthesis, growth and development)

For a complete list of videos, visit our video library